{"paper":{"title":"The metamorphosis of Supernova SN2008D/XRF080109: a link between Supernovae and GRBs/Hypernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andrea Pastorello, Carrie Trundle, Daniel N. Sauer, Deborah Hunter, Dino Fugazza, Elena Pian, Eliana Palazzi, Elisabetta Maiorano, Enrico Cappellaro, Fabrizio Fiore, Felix Mirabel, Filomena Bufano, Francesco Pasotti, Gianpiero Tagliaferri, Guido Chincarini, Hripsime Navasardyan, Kate Maguire, Ken'ichi Nomoto, L. Angelo Antonelli, Leonardo J. Pellizza, Masaomi Tanaka, Massimo Della Valle, Massimo Turatto, Nancy Elias-Rosa, Nicola Masetti, Nino Panagia, Nozomu Tominaga, Paola Marziani, Paolo A. Mazzali, Paolo D'Avanzo, Raffaella Margutti, Re'em Sari, Roberto Gilmozzi, Sergio Campana, Stefano Benetti, Stefano Covino, Stefano Valenti, Stefan Taubenberger, Stephen Smartt, Tsvi Piran, Valerio D'Elia","submitted_at":"2008-07-10T16:38:09Z","abstract_excerpt":"The only supernovae (SNe) to have shown early gamma-ray or X-ray emission thus far are overenergetic, broad-lined Type Ic SNe (Hypernovae - HNe). Recently, SN 2008D shows several novel features: (i) weak XRF, (ii) an early, narrow optical peak, (iii) disappearance of the broad lines typical of SNIc HNe, (iv) development of He lines as in SNeIb. Detailed analysis shows that SN 2008D was not a normal SN: its explosion energy (KE ~ 6*10^{51} erg) and ejected mass (~7 Msun) are intermediate between normal SNeIbc and HNe. We derive that SN 2008D was originally a ~30Msun star. When it collapsed a bl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.1695","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0807.1695/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}